Home / 199,030.32-274,649.40-109,606.32

Finding the Fourth Proportional to 199,030.32, 274,649.40 and 109,606.32

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Solution

The fourth proportional to 199,030.32, 274,649.40 and 109,606.32 is: 151,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,030.32 : 274,649.40 = 109,606.32 : x
  2. Step 2: Convert to fraction form
    199,030.32/274,649.40 = 109,606.32/x
  3. Step 3: Cross multiply
    199,030.32x = 274,649.40 × 109,606.32
  4. Step 4: Simplify right side
    199,030.32x = 30,103,310,024.21
  5. Step 5: Solve for x
    x = 30,103,310,024.21/199,030.32
  6. Step 6: Final answer
    x = 151,249.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.